Maintaining healthy indoor air quality is more important than ever. Facility managers can create a balance between operational efficiency and improvements to air quality so that occupants can enjoy the best health and comfort possible.
The purpose of the American Innovation and Manufacturing (AIM) Act is to phase down HFC, or hydrofluorocarbons, production and consumption by 85% over the next 15 years, and support a transition to more environmentally and consumer-friendly cooling technology options. HFCs will continue to be available for existing equipment, but the EPA will establish requirements for managing any existing HFC in use.
With the transition to lower GWP refrigerants, you may wonder what this means for both your existing systems and for systems purchased ahead of the transition. We’ve outlined a few of the main differences between refrigerants along with some additional guidance on why selecting the correct refrigerant for the desired application matters.
Since the minimum efficiency regulation changed to 13 SEER in January 2006, most OEM systems now incorporate a thermostatic expansion valve (TXV) style metering device as the standard for air conditioning systems. It is now extremely important for the HVAC technician to understand the design and operation of this type of valve.
In a recent survey, more than 70% of people said that they have experienced temperature discomfort at school or work, and it has negatively affected their productivity. Whether it be at school or work this number is significant and can be very costly.